Browse our online feature highlights, from writers’ and photographers’ behind-the-scenes field adventures to printable maps and multimedia showstoppers. Every feature includes a Web-exclusive photo gallery, a full resource listing, and much more.

On bin Laden's TrailThe world's most wanted man took refuge in the crags and caves of Tora Bora's mountains along the Afghanistan-Pakistan border. The Pashtun people, who call this harsh land home, have made it one of the best hiding places on Earth.MAP Download a printable, high-resolution map of Pashtun country.MULTIMEDIA VIDEO Author Tim McGirk and photographer Reza discuss the geography of resistance, the intricacies of tribal relationships, and the Pashtun fascination with guns.FORUM After the terrorist attack of September 11, Osama bin Laden was last seen in late fall 2001 in Afghanistan's rugged Tora Bora. Where do you think he is? And do you think he'll be caught? Enter>>VIDEO Enter the cottage industry of gun-making in an Afghanistan town, where extended families make everything from gun bodies to bullets.POSTCARDS E-greet a friend with an image of lightning flashing over the Afghanistan-Pakistan border.POLL Cast your vote on whether you think Osama bin Laden will ever be caught.

Saving Afghan CultureThe fabled Bactrian gold is back, but other antiquities are quickly disappearing from Afghanistan. With the country trying to rebuild after decades of conflict, can its past be part of its future?MAP Download a printable, high-resolution map of Afghanistan's major cultural regions.MULTIMEDIA VIDEO Photographer Ken Garrett describes how Afghanistan is slowly recovering its lost antiquities.FLASHBACK to 1922 when journalist Lowell Thomas and his team decided to ignore the dangers posted on a sign at the Afghanistan border.

Africa's Miracle DeltaWhen Botswana's seasonal floodwaters transform a parched plain into Africa's largest oasis, there's no better time to slip beneath the surface of the Okavango for a look around. Just watch out for the crocodiles.MAP Download a printable, high-resolution map of the flood-swollen Okavango Delta.SIGHTS & SOUNDS Join photographer David Doubilet on this spectacular underwater adventure.WALLPAPER Decorate your desktop with an image of an elephant enjoying a little lightweight water fun.FINAL EDIT Rescued from the cutting-room floor is this month's Final Edit, an underwater image of two sets of very different limbs.

Search for Other EarthsIn an astronomical breakthrough, scientists are discovering planet after planet circling distant stars as the search narrows for a world like our own.ANIMATION Watch how planets are formed through a process called disk instability.FORUM Should an Earth-like planet be found, do you think it will harbor life? How would such a discovery affect our philosophies, religions, and our perceptions of ourselves? Enter>>3-D Glide through space in this artistic conception of a giant ringed planet and its earth-sized moon.

Titanic RevisitedFortune hunters, tourists, and time have made the seafloor wreck site a titanic mess. The man who found the famous ship 19 years ago returns to survey the damage.MAP Download a printable, high-resolution map of the Atlantic seafloor where the wreckage of Titanic settled.ANIMATION Relive the iceberg impact and sinking of Titanic.INTERACTIVE IMAGE Maneuver across the decayed deck of the doomed ship.FORUM Robert Ballard, one of Titanic's discoverers, believes its wreckage and debris field should be left undisturbed. How do you think Titanic should be memorialized? Should its artifacts be salvaged or left alone on the seafloor? Enter>>VIDEO Explore the remains of Titanic in this underwater video.

ZipUSA: 29550In a car-crazy Hartsville, South Carolina, whole families prefer the fast tracksatisfying their need for speed at the Darlington International Dragway.NOMINATE your own wonderful, weird, or wacky choices for this magazine series. Enter>>